One of the most common requests I receive from users is how to identify duplicate and unique values in Microsoft Excel. The easiest way I know is to apply a conditional format. In a nutshell, a ...

To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in the case of two-dimensional ...

Filters organize and prepare data for Excel reports and visualizations by selecting only relevant data for display. If you are working with a filter in an Excel worksheet, you can extend the range of ...

Example: I have a 5 x 5 array of data with names of animals in it. I have another cell with "monkey" written in it. Is there a way I can write a formula to test whether or not "monkey" exists in the ...

In Microsoft Excel, the well-known and widely used spreadsheet software, you can use letters to represent values. So, for instance, instead of subtracting 5 from 10, you can subtract x from y. This ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...